American Century Companies Portfolio holdings
American Century Companies, Inc., founded in 1958 by James E. Stowers Jr. as Twentieth Century Mutual Funds and headquartered in Kansas City, Missouri, is a privately held investment management firm renowned for its focus on delivering investment results to clients while supporting medical research. Starting with just $100,000 from 24 shareholders, it rebranded to American Century Investments in 1997 and now manages hundreds of billions in assets across mutual funds, ETFs, and institutional portfolios, emphasizing no-load funds and a client-centric approach. The firm’s unique ownership structure sees over 40% of its profits funneled to the Stowers Institute for Medical Research, which it majority-owns, funding groundbreaking biomedical research, while Nomura Holdings holds a significant minority stake. With a global presence in cities like New York, London, and Hong Kong, and a workforce of around 1,400, American Century blends financial expertise with a mission to improve lives through both wealth creation and scientific advancement.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Ciena
CIEN
|
+$671M |
| 2 |
Advanced Micro Devices
AMD
|
+$638M |
| 3 |
Eli Lilly
LLY
|
+$520M |
| 4 |
Corning
GLW
|
+$389M |
| 5 |
Cadence Design Systems
CDNS
|
+$371M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$1.74B |
| 2 |
Analog Devices
ADI
|
+$697M |
| 3 |
Broadcom
AVGO
|
+$679M |
| 4 |
Microsoft
MSFT
|
+$663M |
| 5 |
Costco
COST
|
+$357M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 27.76% |
| 2 | Financials | 14.09% |
| 3 | Industrials | 11.46% |
| 4 | Consumer Discretionary | 11.11% |
| 5 | Healthcare | 8.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
26
Cadence Design Systems
CDNS
$89.8B
| $859M | 0.38% |
2,288,432
+1,059,557
| +86% | +$371M |
|
27
Intuitive Surgical
ISRG
$143B
| $801M | 0.35% |
2,014,594
-94,930
| -5% | -$41.5M |
|
28
ExxonMobil
XOM
$660B
| $771M | 0.34% |
5,637,812
+381,176
| +7% | +$57M |
|
29
Johnson & Johnson
JNJ
$654B
| $748M | 0.33% |
2,945,732
+67,854
| +2% | +$15.8M |
|
30
GE Vernova
GEV
$255B
| $746M | 0.33% |
635,080
+53,475
| +9% | +$54.6M |
|
31
ASML
ASML
$670B
| $740M | 0.33% |
371,924
+11,784
| +3% | +$18.8M |
|
32
Snowflake
SNOW
$119B
| $719M | 0.32% |
2,823,407
+192,560
| +7% | +$35.4M |
|
|
33
Corning
GLW
$135B
| $661M | 0.29% |
2,588,427
+2,136,871
| +473% | +$389M |
|
|
MRSH
34
Marsh
MRSH
$81.7B
| $646M | 0.29% |
3,877,741
-356,586
| -8% | -$59.6M |
|
35
Merck
MRK
$367B
| $625M | 0.28% |
4,865,967
-681,891
| -12% | -$79.8M |
|
36
Kimberly-Clark
KMB
$32.7B
| $616M | 0.27% |
5,607,923
+1,173,683
| +26% | +$116M |
|
37
KLA
KLAC
$245B
| $611M | 0.27% |
2,024,263
-718,007
| -26% | -$143M |
|
38
Palantir
PLTR
$456B
| $600M | 0.27% |
5,145,531
+865,411
| +20% | +$118M |
|
39
TJX Companies
TJX
$143B
| $599M | 0.26% |
3,950,845
+317,898
| +9% | +$50.3M |
|
40
Avantis US Equity ETF
AVUS
$14.5B
| $583M | 0.26% |
4,549,423
+406,412
| +10% | +$50.1M |
|
41
UnitedHealth
UNH
$338B
| $567M | 0.25% |
1,363,176
+404,837
| +42% | +$150M |
|
|
42
Analog Devices
ADI
$191B
| $558M | 0.25% |
1,405,705
-1,761,690
| -56% | -$697M |
|
43
Alnylam Pharmaceuticals
ALNY
$34.2B
| $558M | 0.25% |
1,853,956
+51,593
| +3% | +$15.6M |
|
44
Synopsys
SNPS
$81.6B
| $558M | 0.25% |
1,251,126
+624,135
| +100% | +$293M |
|
45
Becton Dickinson
BDX
$50.1B
| $556M | 0.25% |
3,676,534
+270,617
| +8% | +$40.5M |
|
46
Avantis International Equity ETF
AVDE
$19B
| $548M | 0.24% |
6,138,581
+1,111,271
| +22% | +$99.7M |
|
47
Caterpillar
CAT
$378B
| $546M | 0.24% |
512,935
-142,440
| -22% | -$125M |
|
48
Williams Companies
WMB
$84.7B
| $537M | 0.24% |
7,222,977
+766,425
| +12% | +$56.4M |
|
49
Verizon
VZ
$196B
| $530M | 0.23% |
12,518,211
+1,465,068
| +13% | +$68.7M |
|
50
Viasat
VSAT
$10.1B
| $515M | 0.23% |
5,736,575
-39
| -0% | -$2.58K |
|
Similar funds
American Century Companies's Q2 2026 Portfolio in Review
As of Q2 2026, American Century Companies held 3,021 positions worth $226B, up 16% from $194B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
American Century Companies's Q2 2026 filing shows 193 new, 1,743 increased, 891 reduced and 137 closed positions. Its largest new stake was OceanaGold Corp: 6,764,717 shares worth $170M. The largest sale was Apple, an estimated $1.74B.
By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 25% a quarter earlier, followed by Financials and Industrials.
- American Century Companies's largest Q2 2026 buy was OceanaGold Corp: 6,764,717 shares worth $170M.
- American Century Companies added most to Ciena in Q2 2026, an estimated $671M increase.
- American Century Companies's biggest Q2 2026 reduction was Apple, cutting an estimated $1.74B.
- American Century Companies fully exited Air Lease Corp in Q2 2026, selling an estimated $182M.
- American Century Companies's ten largest holdings make up 22% of its $226B portfolio in Q2 2026.
- American Century Companies opened 193 new positions and closed 137 in Q2 2026.
- American Century Companies's portfolio value rose 16% quarter-over-quarter to $226B.
Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.